Used Fabo Mobile Impact Crusher Crushing Unit for sale (37,945)

Year of construction: 2022, operating hours: 400 h, condition: as good as new (ex-display), functionality: fully functional, !!!Demonstration machine with low operating hours!!! Model: Lepton 5100 Year of manufacture: 2022 Operating hours: approx. 400 hrs Location: D 84069 Schierling Hnsdpfx Asrt Uvzsc Ijt Availability: short notice Equipment: - Base machine Lepton 5100 with screen decks 1 and 2 Screen deck 1 mesh size: 36 mm Screen deck 2 mesh size: 24 mm - Pre-screen deck with large hopper and variable dosing roller - Volume measurement via load - Prepared for air separator - Compressor - LED lighting package - Radio remote control for all key settings - Diesel-electric drive 80 kW - Axle levelling system - Tandem axle, road approval for 80 km/h - 19,000 kg total weight - Transport dimensions: 11.97 m total length, 3.98 m height, 2.53 m width, no special transport permit required Possible screening materials: Compost, green waste, biomass, root wood, waste wood, municipal waste, RDF, various recyclables (not suitable for construction rubble or excavated material) Miscellaneous: Very good used condition, fully operational

Year of construction: 2022, operating hours: 2,896 h, condition: reconditioned (used), functionality: fully functional, Model: Lepton 2100 Year of Manufacture: 2022 Screening Hours: approx. 2896 hrs Engine Hours: approx. 3486 hrs Location: D 84069 Schierling Availability: short-term Hnedpjwlt N Nsfx Ac Iet Equipment: - Base machine Lepton 2100 with Screen Deck 1 (optionally upgradable to a second screen deck) Screen Deck 1 spacing: 70 mm - Tracked undercarriage - Pre-screen deck with long hopper and accelerator belt - Radio remote control for all key adjustments - Diesel-electric drive 80 kW - Level compensation - 18,500 kg total weight - Transport dimensions: 11.97 m overall length, 4.10 m height, 2.53 m width Possible screening materials: Compost, green waste, biomass, root wood, waste wood, municipal waste, RDF, various recycling materials (not suitable for construction debris or excavated earth) Other: Very good used condition, fully operational

Condition: used, Shredding Machine MGZ 1330, 37 kW Operating hours: 275 Included: - Second knife row - Fast hydraulics for increased throughput - Preparation for conveyor belt Optional: - Conveyor belt with automatic metal separator Your advantages: + Extremely large cutting chamber opening; top: 1300x1200mm + Special rotor suitable for both hardwood and softwood + Energy-efficient and powerful, 37 kW start-up power Technical data: Hnsdpfx Acex Tfdhs Ijt Feed opening, top (mm): 1,300 x 1,200 Hopper capacity (cbm): 1.6 m³ Rotor diameter (mm): 368 Rotor speed (rpm): 65 - 125 Power requirement (kW): 37 Screen hole size (mm): configurable Tools: 37/70 knives Extraction connection diameter (mm): 200 mm Dimensions: 2430x2410x1735 mm (LxWxH) Weight (approx. kg): 3,500 --- Feedstock requirements: - The moisture content (atro) must be below 20% - The feed material must be free of metals and mineral contamination. Damage to the tools and/or increased wear may result.

Condition: used, year of last overhaul: 2023, We offer this used MeWa uc1300 shredding unit. (ANDRITZ Group) Overhauled in 01/2023. Includes 2 pairs of steel blades. If you have any questions or require further information, please contact us. Hnodpfx Aceztqnpo Ijt

Year of construction: 2006, condition: excellent (used), machine/vehicle number: 24591, Throughput: approx. 2 - 5 m³/h Hjdpfsdxmd Ujx Ac Iont Filling and material discharge opening: 300 mm diameter Space requirement (assembled, with bridge): 1400 x 1200 x 2200 mm

Condition: ready for operation (used), Year of construction: 1999, functionality: fully functional, opening width: 650 mm, power: 36.77 kW (49.99 HP), broyeur à lames . 2 lames fixes / 5 lames mobiles Hnedpfx Acoq R Sqls Ijt moteur 37kw largeur utile 700 - rotor plein grille 12 mm (possibilité de changer la maille) sortie par ventilation ou visse

Condition: new, functionality: fully functional, color: other, Year of construction: 2026, CONSTMACH stationary stone crushing plants are designed with a focus on high efficiency and durability, offering long-lasting industrial solutions. Each plant is specifically configured based on the hardness and abrasiveness of the material to be crushed and the desired product size. With production capacities ranging from 50 t/h to 1,000 t/h, they perfectly adapt to projects of different scales. The crusher types used in the plants are selected according to material properties to achieve maximum performance. Hnedexqhy Repfx Ac Ijt Our design team creates optimized 3D layout plans using feeder, crusher, screen, bunker, washer, and conveyor components. This ensures high capacity, low energy consumption, and minimal maintenance costs throughout the production process. Each plant is custom-designed to suit the investment budget and operating conditions. Our engineering team offers the most suitable projects and proposals to prevent unnecessary expenses. CONSTMACH stationary crushing and screening plants are equipped with high-quality electronic components from SIEMENS and SCHNEIDER, and minimize operator intervention thanks to a PLC-based fully automated system. This provides safe, fast, and stable production. Fixed Stone Crushing Plant Technical Specifications Production Capacity: 50 – 1,000 t/h Type of Material to be Crushed: Varies according to the desired product type Final Product Dimensions: Adjustable upon request Crusher Types: Jaw, impact, cone, or vertical shaft crusher options Why Choose a Fixed Stone Crushing Plant from CONSTMACH? CONSTMACH makes a difference with its engineering approach that offers customized solutions to each customer. Our plants operate continuously for many years thanks to high-quality components, energy-efficient designs, and reliable automation systems. With our after-sales support service that prioritizes customer satisfaction, we are by your side at every stage of your investment. CONSTMACH is the right choice for fixed rock crushing plants offering powerful performance, low operating costs, and maximum efficiency. What Do We Do at Constmach? Constmach is a leading machine manufacturer offering a wide range of products tailored to the needs of the construction and mining industries. Our product portfolio includes concrete block making machines, stationary and mobile concrete plants, stone crushing machines, stone crushing and screening plants, sand washing machines, sand making machines, asphalt plants, conveyor belt systems, jaw crushers, and mobile crushing plants. With its high quality standards, innovative production approach, and customer-focused solutions, Constmach stands out as a reliable brand in both national and international markets. Our products continue to be the preferred choice of industry professionals due to their durability, efficiency, and long-lasting performance.

Condition: new, functionality: fully functional, Year of construction: 2026, CONSTMACH stationary stone crushing plants are designed with a focus on high efficiency and durability, offering long-lasting industrial solutions. Each plant is specifically configured based on the hardness and abrasiveness of the material to be crushed and the desired product size. With production capacities ranging from 50 t/h to 1,000 t/h, they perfectly adapt to projects of different scales. The crusher types used in the plants are selected according to material properties to achieve maximum performance. Our design team creates optimized 3D layout plans using feeder, crusher, screen, bunker, washer, and conveyor components. This ensures high capacity, low energy consumption, and minimal maintenance costs throughout the production process. Each plant is custom-designed to suit the investment budget and operating conditions. Our engineering team offers the most suitable projects and proposals to prevent unnecessary expenses. CONSTMACH stationary crushing and screening plants are equipped with high-quality electronic components from SIEMENS and SCHNEIDER, and minimize operator intervention thanks to a PLC-based fully automated system. This provides safe, fast, and stable production. Hnjdpfoxqgwzsx Ac Ijt Fixed Stone Crushing Plant Technical Specifications Production Capacity: 50 – 1,000 t/h Type of Material to be Crushed: Varies according to the desired product type Final Product Dimensions: Adjustable upon request Crusher Types: Jaw, impact, cone, or vertical shaft crusher options Why Choose a Fixed Stone Crushing Plant from CONSTMACH? CONSTMACH makes a difference with its engineering approach that offers customized solutions to each customer. Our plants operate continuously for many years thanks to high-quality components, energy-efficient designs, and reliable automation systems. With our after-sales support service that prioritizes customer satisfaction, we are by your side at every stage of your investment. CONSTMACH is the right choice for fixed rock crushing plants offering powerful performance, low operating costs, and maximum efficiency. What Do We Do at Constmach? Constmach is a leading machine manufacturer offering a wide range of products tailored to the needs of the construction and mining industries. Our product portfolio includes concrete block making machines, stationary and mobile concrete plants, stone crushing machines, stone crushing and screening plants, sand washing machines, sand making machines, asphalt plants, conveyor belt systems, jaw crushers, and mobile crushing plants. With its high quality standards, innovative production approach, and customer-focused solutions, Constmach stands out as a reliable brand in both national and international markets. Our products continue to be the preferred choice of industry professionals due to their durability, efficiency, and long-lasting performance.

Condition: used, power: 1.1 kW (1.50 HP), input voltage: 380 V, volume flow: 2,000 m³/h, intake manifold diameter: 140 mm, filter area: 1.65 m², total height: 1,900 mm, total length: 1,100 mm, total width: 650 mm, overall weight: 50 kg, extraction connection diameter: 140 mm, nominal flow rate: 2,000 m³/h, negative pressure: 1,800 Pa, nominal power: 1.1 kW (1.50 HP), space requirement height: 1,900 mm, space requirement length: 1,100 mm, space requirement width: 650 mm, transport length: 1,100 mm, transport width: 650 mm, transport height: 1,900 mm, No. 3258 Mobile extraction unit / mobile dust extractor Scheppach HA 3200 Used For extracting wood shavings, milling chips, sawdust and sanding dust Motor 1.1 kW, 380 V Air output 2000 m3/h Pressure difference max. 1800 Pa Extraction connection diameter 140 mm Impeller diameter 320 mm Special filter diameter 500 mm, height 800 mm Filter surface 1.65 m2 Extraction unit mobile with 2 swivel castors Transport dimensions approx. 1100 x 650 x 1900 mm LWH Weight approx. 50 kg Sale on behalf of customer, ex location near 73430 Aalen, without dismantling, without transport and assembly Dismantling, loading and transport by us optionally possible Subject to errors in the description and price To avoid possible misunderstandings, an on-site inspection is possible and recommended by appointment Sold as is Technical specifications, condition description, year of construction and scope of delivery according to manufacturer's brochure or previous owner, without guarantee Subject to prior sale For used machines, any warranty is excluded, the following applies: “sold as seen” Pictures and videos serve as examples and do not represent the actual scope of delivery Terms of payment: Prices plus VAT, payment before collection or shipment Hnjdpex Hi Rxefx Ac Ist Terms of delivery: ex location

Condition: used, No. 04490 Hnjdpfxsxn Tilo Ac Ijt Mobile extraction unit / Mobile dust extractor ESTA Dustomat 10 Used For extracting wood dust and chips Filter type H2 for wood dust, residual dust content level 2, 0.2 mg/m3 Type 1, for extracting combustible dusts of dust explosion classes St 1 and St 2 400 V, 1.1 kW, with power cable and plug Nominal air volume flow 720 m3/h Filter area 3.5 m2 Extraction pipe connection diameter 100 mm Filter cleaning by hand crank Chip container 670 x 460 mm Mobile unit CE-compliant Transport dimensions approx. 1300 x 600 x 1700 mm LWH Weight approx. 100 kg To avoid possible misunderstandings, an on-site inspection is possible and recommended by appointment Sold as is Technical details, condition description, year of construction and scope of delivery according to manufacturer's brochure or previous owner, without guarantee Subject to prior sale For used machines, any warranty is excluded, the following applies: “sold as seen” Terms of payment: Prices excl. VAT, payment before collection or dispatch Terms of delivery: ex warehouse

Condition: used, No. 04489 Mobile extraction unit / Mobile dust extractor ESTA Dustomat 61 Used For extracting wood dust and chips Filter type H2 for wood dust, residual dust content level 2, 0.2 mg/m3 Type 1, for extracting combustible dusts in zone 22 400 V, 3 kW, with power cable and plug Nominal air volume flow 1850 m3/h Extraction pipe connection diameter 160 mm Filter surface area 9.6 m2 Filter cleaning by hand crank Filter dimensions approx. 720 x 510 mm Chip container 860 x 570 mm Mobile unit CE-compliant Including new replacement filter Operating instructions available Transport dimensions approx. 1700 x 800 x 2100 mm LWH Weight approx. 250 kg To avoid possible misunderstandings, an on-site inspection is possible and recommended by appointment Sold as is Technical details, condition description, year of construction and scope of delivery according to manufacturer's brochure or previous owner, without guarantee Subject to prior sale For used machines, any warranty is excluded, the following applies: “sold as seen” Terms of payment: Prices excl. VAT, payment before collection or dispatch Terms of delivery: ex warehouse Hjdpfx Aexnprcsc Ient

Condition: used, No. 04491 Mobile extraction unit / Mobile dust extractor ESTA Dustomat HMS 10 WN Used For extracting wood dust and chips Filter type H2 for wood dust, residual dust content level 2, 0.2 mg/m3 Type 1, for extracting combustible dusts of dust explosion classes St 1 and St 2 400 V, 1.1 kW, with power cable and plug Nominal air volume flow 720 m3/h Filter area 3.5 m2 Extraction pipe connection diameter 100 mm Filter cleaning by hand crank Chip container 670 x 460 mm Mobile unit CE-compliant Transport dimensions approx. 1300 x 550 x 1700 mm LWH Weight approx. 100 kg To avoid possible misunderstandings, an on-site inspection is possible and recommended by appointment Sold as is Hjdpfxjxnqauo Ac Isnt Technical details, condition description, year of construction and scope of delivery according to manufacturer's brochure or previous owner, without guarantee Subject to prior sale For used machines, any warranty is excluded, the following applies: “sold as seen” Terms of payment: Prices excl. VAT, payment before collection or dispatch Terms of delivery: ex warehouse

Condition: used, Year of construction: 2021, overall weight: 200 kg, input voltage: 400 V, total width: 800 mm, total length: 1,350 mm, total height: 1,500 mm, volume flow: 216 m³/h, space requirement height: 1,500 mm, space requirement width: 800 mm, space requirement length: 1,350 mm, filter area: 2 m², negative pressure: 31,500 Pa, power: 3 kW (4.08 HP), transport height: 1,500 mm, transport length: 1,350 mm, transport width: 800 mm, tank capacity: 80 l, No. 04520 Mobile extraction unit / mobile dust extractor ESTA WHISPERSOG 3.0 FM Unused, year of construction 2021, in new condition Industrial vacuum cleaner for cleaning work and machine extraction The WHISPERSOG high vacuum cleaners work more quietly than conventional industrial vacuum cleaners with the same performance. They are designed for continuous operation and can be used not only as industrial vacuum cleaners, but also as mobile dust extractors for direct extraction on machines. By using permanent filter cartridges, operating costs can be significantly reduced compared to disposable filters. The dust produced can be easily disposed of using the patented tipping device. Areas of application: Removal of coarse, fine and free-flowing dust during cleaning work / Direct extraction of machines in continuous operation Motor power 3 kW Electrical connection 400 V Maximum negative pressure 31500 Pa Maximum air volume flow 216 m3/h Extraction nozzle diameter 50 mm Filter surface 2m2 Dust collection container 80 liters Potential-free contact for automatic activation when machine is started Including electrical connection cable with 16 A plug, 10 waste bags and technical documentation Transport dimensions approx. 1350 x 800 x 1500 mm LWH Weight approx. 200 kg To avoid possible misunderstandings, an on-site inspection is possible and recommended by appointment Hsdpfx Ajylb Ixsc Iont Sold as is Technical specifications, condition description, year of construction and scope of delivery according to manufacturer's brochure or previous owner, without guarantee Subject to prior sale For used machines, any warranty is excluded, the following applies: “sold as seen” Terms of payment: Prices plus VAT, payment before collection or dispatch Terms of delivery: ex warehouse

Condition: used, Year of construction: 2021, overall weight: 200 kg, input voltage: 400 V, total width: 800 mm, total length: 1,300 mm, total height: 1,600 mm, volume flow: 216 m³/h, space requirement height: 1,600 mm, space requirement width: 800 mm, space requirement length: 1,300 mm, filter area: 2 m², negative pressure: 31,500 Pa, power: 3 kW (4.08 HP), transport height: 1,600 mm, transport length: 1,300 mm, transport width: 800 mm, tank capacity: 80 l, No. 04519 Mobile extraction unit / mobile dust extractor ESTA WHISPERSOG 3.0 FM Unused, year of construction 2021, in new condition Industrial vacuum cleaner for cleaning work and machine extraction The WHISPERSOG high vacuum cleaners work more quietly than conventional industrial vacuum cleaners with the same performance. They are designed for continuous operation and can be used not only as industrial vacuum cleaners, but also as mobile dust extractors for direct extraction on machines. By using permanent filter cartridges, operating costs can be significantly reduced compared to disposable filters. The dust produced can be easily disposed of using the patented tipping device. Areas of application: Removal of coarse, fine and free-flowing dust during cleaning work / Direct extraction of machines in continuous operation Motor power 3 kW Electrical connection 400 V Maximum negative pressure 31500 Pa Maximum air volume flow 216 m3/h Extraction nozzle diameter 50 mm Filter surface 2m2 Dust collection container 80 liters Potential-free contact for automatic activation when machine is started Including electrical connection cable with 16 A plug, 10 waste bags and technical documentation Transport dimensions approx. 1300 x 800 x 1600 mm LWH Weight approx. 200 kg Hsdpfeyibg Tjx Ac Ient To avoid possible misunderstandings, an on-site inspection is possible and recommended by appointment Sold as is Technical specifications, condition description, year of construction and scope of delivery according to manufacturer's brochure or previous owner, without guarantee Subject to prior sale For used machines, any warranty is excluded, the following applies: “sold as seen” Terms of payment: Prices plus VAT, payment before collection or dispatch Terms of delivery: ex warehouse

Condition: new, Year of construction: 2026, functionality: fully functional, total height: 2,000 mm, total width: 1,100 mm, total length: 1,900 mm, overall weight: 980 kg, rotor diameter: 260 mm, type of input current: three-phase, rotor length: 600 mm, sieve perforation: 10 mm, input voltage: 380 V, The PC-800,PC-600 and PC-400 Plastic Crusher is a heavy-duty rotor knife granulator designed for efficient recycling of thermoplastic waste and production scrap. Built for continuous industrial operation, it delivers high performance while producing uniform plastic regrind suitable for immediate reuse in the manufacturing process. The crusher is capable of processing a wide range of materials, including LDPE, HDPE, PVC, PP, PET, PS, PA (Nylon), engineering plastics, rubber waste, and non-abrasive thermosetting materials Technical Specifications Model: PC-600 • Rotor diameter: 260 mm • Rotor knives: 18 moving knives • Stationary knives: 4 knives • Capacity: 100–250 kg/h • Motor power: 15 kW • Power supply: 380 V, 3-phase, 50 Hz Hsdezvmy Tjpfx Ac Ijnt • Feed opening: 320 × 620 mm • Screen hole size: 10 mm • Rotor speed: 885 rpm • Maximum material wall thickness: up to 10 mm • Machine dimensions (L × W × H): 1900 × 1100 × 2000 mm

Condition: refurbished (used), Year of construction: 1988, TECHNICAL DATA: Jaw opening 200 x 620 mm Year of manufacture 1988 Throughput capacity - 80 t/h Feed material size 4-70 mm Weight 6081 kg Power requirement 90 - 132 kW Special features: Adjustable grinding plates Condition: Refurbished, wear parts replaced, sandblasted, primed, and painted Optional and upon request: Infeed hopper, discharge hopper, motor, frame, V-belt, belt guard, control cabinet with soft starter or frequency inverter, special paint finishes, hydraulic opening mechanism Hnjdpfx Ajzc H Rasc Iet

Condition: used, Year of construction: 2012, overall weight: 120 kg, TECHNICAL DATA: Jaw opening 100 x 60 mm Max. feed size 90 x 50 x 60 mm Adjustable jaw gap 3 - 10 mm Throughput capacity - 850 kg/h Crusher speed 400 rpm Weight 120 kg Power requirement 1.1 kW / 1500 rpm Dimensions L*W*H 690 x 322 x 445 mm Price upon request The machine is supplied with frame, 1.1 kW motor, belt guard, and material loading device. TECHNICAL DATA: Jaw opening 100 x 60 mm Max. feed size 80 x 40 x 50 mm Jaw gap adjustment 3 - 10 mm Throughput capacity - 650 kg/h rpm 400 rpm Weight 120 kg Power 1.1 kW / 1500 rpm Size 690 x 322 x 445 mm Price on request With motor and frame. Hnodpfx Acjzc H Nvj Iet The crusher is mounted on a small base frame, consisting of sheet metal, together with the electric motor, V-belts, and belt guard. There is a discharge opening for the crushed material, and if the discharge opening is removed, the material can pass through.

Condition: new, functionality: fully functional, overall weight: 6,450 kg, Price on request. Hjdpjzc H I Sefx Ac Ient Technical data: Feed opening: 1000 x 250 mm Max. recommended feed size: 210 mm edge length Gap adjustable from: 15 - 50 mm Estimated throughput: 15 - 60 t/h Weight: 6450 kg Crusher rotation: 330 rpm Power consumption: 37 kW / 980 rpm Dimensions L x W x H: 1530 x 1992 x 1380 mm Delivery time: ex stock Redlham (subject to presale)

Condition: used, Year of construction: 1985, functionality: fully functional, overall weight: 6,200 kg, power: 30 kW (40.79 HP), The machine has seen little use and is still in very good condition! Hedpjzc Htbofx Ac Isnt

Condition: used, Year of construction: 1980, functionality: unexamined, total height: 2,000 mm, total width: 2,200 mm, total length: 2,900 mm, overall weight: 1,020 kg, opening width: 305 mm, rotational speed (max.): 350 rpm, rotational speed (min.): 300 rpm, working width: 2,100 mm, Price on request Hedpfx Acjzc Hgbo Iont

Condition: ready for operation (used), Year of construction: 1993, functionality: fully functional, power: 132 kW (179.47 HP), Price available upon request. Hedpfozc E Hyex Ac Iont The machine is in operational condition.

Condition: not inspected (used), Year of construction: 2008, functionality: limited functionality, Model/Type: Erdwich M480/3-1000 Serial No.: 1896 Year of construction: 2008 Running Hours: unknown Warranty: Partially functional; no warranty or guarantee Availability: approx. 4-8 weeks after receipt of down payment Details: + Cutting unit, hopper, frame, and control unit + 3-shaft shredder + 2x 22 kW drive motors + Chip conveyor Hnedpfxoylhbfj Ac Iot

Condition: new, Design with bag filter Technical data: extruction nozzle 200 mm engine power S1 3 kW, 400V Hsdpjvrv E Iefx Ac Iont nominal flow rate 2262 m³/h max. volume flow 3010 m³/h cut surface vacuum measured with 2 m hose 2174 Pa filter area 13,7 m² filter dedusting compressed air residual dust content H3 (

Condition: used, Field of application: Mining In the realm of heavy-duty machinery, Polygonmach leads with its revolutionary mobile crushing and screening plant on wheels. This unique mobile crusher, consisting of a jaw crusher measuring 600*380mm and a second chassis equipped with the renowned Metso hp100, is designed for the toughest applications. These units aren't merely a combination of superior technology and robustness but also exhibit a deep understanding of their user's challenging requirements. With the inclusion of a Sandvik ch430, Terex, or locally equivalent cone crusher, Polygonmach stands at the apex of engineering excellence, providing highly efficient, mobile, and flexible solutions. The three-deck vibrating screen, a vital component of this mobile plant, plays an instrumental role in classifying and separating materials, ensuring you receive the highest quality output. Its seamless integration with the crushers guarantees a streamlined operation, reducing downtime and optimizing production rates. What sets this Polygonmach mobile crusher apart is its closed-circuit configuration, specifically designed for processing hard stones. Unlike conventional crusher plants, the closed-circuit system ensures precise material grading, reduced fines, and enhanced end-product quality. The inclusion of the single chassis in this design further optimizes the machine's mobility and ease of setup. The array of belt conveyors integrated into the mobile crusher system adds another dimension of flexibility to the operation. Their role in material transportation is critical to the overall efficiency and speed of the operation, ensuring continuous and uniform feed to the crusher. Technology: jaw Mobility: mobile Hedpfx Asx Dzb Uoc Ijnt Capacity: Min.: 60 t/h(37 lb/s)Max.: 80 t/h(49 lb/s) Motor power: 220 kW(299.12 hp) Opening height: 550 cm(216.5 in) Opening lenght: 300 cm(118.1 in)

Condition: new, Year of construction: 2025, Set of blow bars martensitic with double layer of ceramic for Metso 1213 crusher. We can also offer high chrome with ceramic for this machine All casting from EU foundries, best quality on the market We can also offer blow bars for all other machines like Tesab, Pegson, Rubblemaster, Hartl and many more Hjdeihfc Sepfx Ac Iont